26 miles 385 yards, or 42.195 KM. And it's not "usually". That distance defines a marathon.
It's 26.2 miles long because that's how long a marathon is that's why it's called the Boston Marathon.
The London marathon race is 42.195 kilometers long
A marathon is 26.202 miles.
A half-marathon is 13.1 miles long.
MARATHON, STD DISTANCE 26 MILES 386 YARDS
The Singapore Marathon is an annual marathon that happens every year in the city of Singapore, of course, and is held on the first Sunday of December.
42.9km
bob
The Women's marathon lasted aleast 42 kilometres The Women's marathon lasted atleast 42 kilometres
26.2 miles. Every marathon is that long.
26.2 miles
42.195 kilometers